The worst 2024 Thomas Built Buses Saf-T-Liner Efx problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 2
Engine and engine cooling: cooling system: hoses/lines/piping/fittings
- What is wrong
- Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2023-2026 Saf-T-Liner EFX and Saf-T-Liner HDX school buses. The heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartment.
- Risk
- Contact with hot heating coolant may burn occupants, increasing the risk of injury.
- Remedy
- Dealers will inspect and replace the heater hose clamps, as necessary, free of charge. Owner notification letters were mailed April 10, 2026. Owners may contact DTNA customer service at 1‑800‑547‑0712. DTNA's number for this recall is F1030.
Recall number 26V086000 · Recall details
Engine and engine cooling: cooling system: hoses/lines/piping/fittings
- What is wrong
- Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2023-2025 Saf-T-Liner EFX and 2023-2026 Saf-T-Liner HDX vehicles. The heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartment.
- Risk
- Contact with hot heating coolant may burn occupants, increasing the risk of injury.
- Remedy
- Dealers will inspect and replace the heater hose clamps, as necessary, free of charge. Owner notification letters were mailed April 10, 2026. Owners may contact DTNA customer service at 1‑800‑547‑0712. DTNA's number for this recall is F1030.
Recall number 26V087000 · Recall details
See all 2 recalls for the 2024 Thomas Built Buses Saf-T-Liner Efx
Technical service bulletins for the 2024 Thomas Built Buses Saf-T-Liner Efx 16
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair...
- Technical Service Bulletin for Electrical Wiring Modifications for Type DFootwell Heater
- Service Solution for EFX AC Upper bracket TBB 130987 replaced with TBB 248310
- Service Solution for Timer relay TBB 202400 replacement
- Service Solution for EFX Shock Mount Frame Rail Crack Repair
- My communications for DTNA Announces Extended Coverage Policy Updates
- Service Solution for Floor Covering Bubbles
- Service Solution for HDX / EFX front lighting replacement
- Service Solution for Power steering Pump TBB 61280827 replacement with TBB 246122
- CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test...
See all 16 bulletins for the 2024 Thomas Built Buses Saf-T-Liner Efx
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Questions about the 2024 Thomas Built Buses Saf-T-Liner Efx
Is the 2024 Thomas Built Buses Saf-T-Liner Efx reliable?
Owners have filed 0 complaints about the 2024 Thomas Built Buses Saf-T-Liner Efx.
What is the most common problem with the 2024 Thomas Built Buses Saf-T-Liner Efx?
There are not enough complaints to tell.
How many recalls does the 2024 Thomas Built Buses Saf-T-Liner Efx have?
2 recalls, covering engine and engine cooling.
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